Explore Westonci.ca, the leading Q&A site where experts provide accurate and helpful answers to all your questions. Explore a wealth of knowledge from professionals across different disciplines on our comprehensive platform. Connect with a community of professionals ready to provide precise solutions to your questions quickly and accurately.

Determine whether each of these functions from {a,b,c,d} to itself is bijection if it is than find f -¹.

1. f(a)=b, f(b)=a, f(c)=d, f(d)=c
2. f(a)=a, f(b)=b, f(c)=c, f(d)=d​​